Multifunctional polarized light demonstration instrument

Abstract

The utility model discloses a multifunctional polarized light demonstration instrument, which belongs to the technical field of teaching instruments and comprises a polarized light demonstration instrument and a base arranged at the bottom of the polarized light demonstration instrument, the polarized light demonstration instrument is mounted above the base, and the base is of a square plate structure or a circular plate structure. Wherein when the base is of a square plate structure, adjusting feet are arranged at the four corners of the base, and when the base is of a circular plate structure, four adjusting feet are arranged at equal intervals along the circumference close to the edge of the base. The rotatable adjusting nut is arranged on the surface of the base, a plurality of protruding cylinders are arranged on the surface of the adjusting nut, a user can conveniently twist the adjusting nut with the thumb, meanwhile, easier rotating operation can be provided, the fixing bottom plate is fixed to the ground or a table top, and the user can conveniently adjust the height of the table by fixing the fixing bottom plate to the ground or the table top. The lifting height of the base can be adjusted by rotating each adjusting nut on the surface of the base by a user.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching instruments, in particular to a multifunctional polarized light demonstration instrument. Background Art

[0002] Polarized light is widely used in daily life, such as the multifunctional polarized light demonstrator disclosed in patent number CN201620568333.9. However, due to its abstract concept and strong theoretical nature, it is a difficult point in the optical knowledge system of middle schools and universities. Most of the current polarized light teaching demonstrations are completed in laboratories. Those that can be demonstrated in the classroom cannot rotate freely. The demonstration content is relatively simple. It is difficult to accurately adjust the base angle and base height during the demonstration, which makes the demonstration process not smooth. In addition, the existing polarized light demonstrator cannot demonstrate complementary colors, which is not conducive to helping students understand and master the relevant knowledge of polarized light more comprehensively. The utility model uses a self-made uniform full-spectrum polarized light source, a polarizer, and a dichroic film to design and manufacture a multifunctional polarized light demonstrator, which realizes that a single machine can demonstrate Malus's law of polarized light, color polarization, complementary colors and other related knowledge in an ordinary classroom environment. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a multifunctional polarized light demonstrator to solve the technical problems that most of the current polarized light teaching demonstrations are completed in laboratories, those that can be demonstrated in classrooms cannot rotate freely, the demonstration content is relatively simple, and it is difficult to accurately adjust the base angle and base height during the demonstration, resulting in the demonstration process being not smooth.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A multifunctional polarized light demonstrator comprises a polarized light demonstrator, a base arranged at the bottom of the polarized light demonstrator, the polarized light demonstrator is installed above the base, and the base is a square plate structure or a circular plate structure;

[0006] Among them, when the base is a square plate structure, adjusting feet are arranged at the four corners of the base, and when the base is a circular plate structure, four adjusting feet are arranged at equal intervals near the edge of the base.

[0007] As a preferred technical solution of the utility model, a circular arc spherical groove is provided on the surface of the base.

[0008] As a preferred technical solution of the utility model, a rotating ball with a spherical structure is rotatably connected in the spherical groove.

[0009] As a preferred technical solution of the utility model, the top of the rotating ball is provided with a clamping block along the edge of the top of the rotating ball.

[0010] As a preferred technical solution of the utility model, the top of the rotating ball is rotatably connected to an adjusting nut, the bottom of the adjusting nut is provided with a slot rotatably connected to a block, and the block at the top of the rotating ball is rotatably connected to the slot at the bottom of the adjusting nut.

[0011] As a preferred technical solution of the utility model, the adjusting nut is a disc structure, and the outer circumferential surface of the adjusting nut is provided with a plurality of raised cylinders.

[0012] As a preferred technical solution of the utility model, a through threaded hole is opened in the middle of the adjusting nut.

[0013] As a preferred technical solution of the utility model, a through rotation groove is provided at the top of the rotation ball, and the inner wall of the rotation groove is a smooth surface.

[0014] As a preferred technical solution of the utility model, the threaded hole in the middle of each adjusting nut is rotatably connected to a threaded screw, and the threaded screw extends to the bottom of the base through the rotating groove. The bottom end of the threaded screw extending from the bottom of the base is fixed with a fixed base plate, and a plurality of locking screws are installed on the surface of the fixed base plate.

[0015] As a preferred technical solution of the utility model, the polarized light demonstrator is mainly composed of an incandescent lamp or a xenon lamp, a cylindrical outer cover, one or more layers of circular light scattering plates, a circular polarizer, a substrate I, a substrate II, a concentric axis, a base and a color ring with a scale. One or more layers of circular light scattering plates are installed in front of the cylindrical outer cover of the incandescent lamp or the xenon lamp, the outer ring of the circular light scattering plate is affixed with a color ring with a scale, the inner ring of the circular light scattering plate is affixed with a circular polarizer, substrate I is a high-transmittance substrate with a polarizer affixed thereon, and substrate I is placed on the concentric axis; or substrate I is a high-transmittance substrate with a dichroic material affixed thereon One or more transparent films with the same or different patterns engraved on the material, substrate II is a high-transmittance substrate with a polarizing film attached thereon, and substrate I and substrate II are placed on concentric axes at the same time; or substrate I is a high-transmittance substrate with three groups of transparent films of dichroic materials of different thicknesses attached thereon, substrate II is a high-transmittance substrate with two semicircular polarizing films with vibration directions perpendicular to each other attached thereon, substrate I and substrate II are placed on concentric axes at the same time, and the vibration transmission direction of the semicircular polarizing film on one side of substrate II is parallel to the vibration transmission direction of the polarized light source, and the vibration transmission direction of the semicircular polarizing film on the other side is perpendicular to the vibration transmission direction of the polarized light source.

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides a rotatable adjusting nut on the surface of the base, and a plurality of raised cylinders are provided on the surface of the adjusting nut, so that the user can turn the adjusting nut with the thumb and provide an easier rotation operation. By fixing the fixed base plate on the ground or on a table, the user can adjust the lifting height of the base by rotating each adjusting nut on the surface of the base.

[0018] The utility model opens a spherical groove on the surface of the adjustment base, and the spherical groove cooperates with the rotating ball to achieve the adjustment of the base surface inclination, so that the surface of the base is inclined at a certain angle, which is convenient for observing and demonstrating Malus's law of polarized light, color polarization and complementary colors and other related knowledge.

[0019] The utility model can be demonstrated in multiple directions in an ordinary classroom environment. Each substrate can rotate coaxially. One machine can not only demonstrate Malus's law of polarized light and the color polarization phenomenon, but also demonstrate the knowledge of complementary colors of polarized light with the help of the hue ring. The demonstration content is very rich, the phenomenon is obvious, and the teaching effect is very good.

[0020] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a right view structural schematic diagram of the multifunctional polarized light demonstrator of the utility model;

[0022] Figure 2 This is a front view structural diagram of the multifunctional polarized light demonstrator of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the adjusting foot of the utility model;

[0024] In the figure: an incandescent lamp or a xenon lamp 1, a cylindrical outer cover 2, one or more layers of circular light-dispersing plates 3, a circular polarizer 4, a substrate I 5, a substrate II 6, a concentric axis 7, a base 8, a hue ring 9, an adjusting nut 10, a fixed base plate 11, a locking screw 12, a threaded hole 13, a clamping block 14, a rotating ball 15, a spherical groove 16, a clamping groove 17, an adjusting foot 18, a rotating groove 19, and a threaded screw 20. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the above description of the utility model, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted.

[0030] Embodiment 1

[0031] See also Figure 1-3 , which is a technical solution provided by the utility model: a multifunctional polarized light demonstrator, comprising a polarized light demonstrator, a base 8 arranged at the bottom of the polarized light demonstrator, the polarized light demonstrator is installed above the base 8, and the base 8 is a square plate structure or a circular plate structure;

[0032] When the base 8 is a square plate structure, adjusting feet 18 are provided at the four corners of the base 8 . When the base 8 is a circular plate structure, four adjusting feet 18 are provided near the edge of the base 8 at equal intervals around the circumference.

[0033] The surface of the base 8 is provided with an arc-shaped spherical groove 16. A rotating ball 15 with a spherical structure is rotatably connected in the spherical groove 16, and the rotating ball 15 rotates in the spherical groove 16 to achieve an angle tilt of the base 8.

[0034] The top of the rotating ball 15 is provided with a block 14 along the top edge of the rotating ball 15. The top of the rotating ball 15 is rotatably connected with the adjusting nut 10. The bottom end of the adjusting nut 10 is provided with a slot 17 that is rotatably connected to the block 14. The block 14 at the top of the rotating ball 15 is rotatably connected to the slot 17 at the bottom end of the adjusting nut 10, so that the adjusting nut 10 can be rotatably connected to the top of the base 8.

[0035] The adjusting nut 10 is a disc structure, and a plurality of raised cylinders are arranged on the outer circumferential surface of the adjusting nut 10 , so that the user can turn the adjusting nut 10 conveniently.

[0036] A through threaded hole 13 is provided in the middle of the adjusting nut 10. A through rotation groove 19 is provided at the top of the rotating ball 15, and the inner wall of the rotating groove 19 is a smooth surface.

[0037] A threaded screw 20 is rotatably connected to the threaded hole 13 in the middle of each adjusting nut 10. The threaded screw 20 extends to the bottom of the base 8 through the rotating groove 19. The bottom end of the threaded screw 20 extending from the bottom of the base 8 is fixed with a fixed base plate 11, and a plurality of locking screws 12 are installed on the surface of the fixed base plate 11.

[0038] Specifically, the utility model provides a rotatable adjusting nut 10 on the surface of the base 8, and a plurality of raised cylinders are provided on the surface of the adjusting nut 10, so that the user can turn the adjusting nut 10 with the thumb and provide an easier rotation operation. By fixing the fixed base plate 11 on the ground or a desktop, the user can adjust the lifting height of the base 8 by rotating each adjusting nut 10 on the surface of the base 8.

[0039] Specifically, the utility model opens a spherical groove 16 on the surface of the adjustment base 8, and the spherical groove 16 cooperates with the rotating ball 15 to achieve the adjustment of the surface inclination of the base 8, so that the surface of the base 8 is inclined at a certain angle, which is convenient for observing and demonstrating Malus's law of polarized light, color polarization and complementary colors and other related knowledge.

[0040] Example 2

[0041] See also Figure 1-3 , which is another technical solution provided by the utility model. This embodiment is similar to the above-mentioned embodiment 1, and the similarities are not described in this embodiment. The specific differences are:

[0042] The polarized light demonstrator is mainly composed of an incandescent lamp or a xenon lamp 1, a cylindrical outer cover 2, one or more layers of circular light averaging plates 3, a circular polarizer 4, a substrate I 5, a substrate II 6, a concentric axis 7, a base 8 and a color ring 9 with a scale. One or more layers of circular light averaging plates 3 are installed in front of the cylindrical outer cover 2 of the incandescent lamp or the xenon lamp 1. The outer ring of the circular light averaging plate 3 is affixed with a color ring 9 with a scale, and the inner ring of the circular light averaging plate 3 is affixed with a circular polarizer 4. The substrate I 5 is a high-transmittance substrate with a polarizer affixed thereon, and the substrate I 5 is placed on the concentric axis 7; or the substrate I 5 is a high-transmittance substrate with a color ring engraved with a dichroic material affixed thereon. One or more transparent films with the same or different patterns, substrate II6 is a high-transmittance substrate with a polarizing film attached thereon, and substrate I5 and substrate II6 are placed on a concentric axis 7 at the same time; or substrate I5 is a high-transmittance substrate with three groups of transparent films of dichroic materials of different thicknesses attached thereon, substrate II6 is a high-transmittance substrate with two semicircular polarizing films with vibration directions perpendicular to each other attached thereon, substrate I5 and substrate II6 are placed on a concentric axis 7 at the same time, and the vibration transmission direction of the semicircular polarizing film on one side of substrate II6 is parallel to the vibration transmission direction of the polarized light source, and the vibration transmission direction of the semicircular polarizing film on the other side is perpendicular to the vibration transmission direction of the polarized light source.

[0043] Specifically, the polarized light demonstrator is mainly composed of a polarized light source and four substrates. The polarized light source is composed of a light source such as an incandescent lamp or a xenon lamp, one or more layers of a light-dispersing plate and a polarizer, and its outer cover is cylindrical. The light-dispersing plate is on the front side of the outer cover, and the outer ring of the light-dispersing plate is attached with a hue ring with a scale, and the color of the hue ring is a gradient from red to purple. The inner ring is a circular polarizer, and polarized light with uniform brightness is obtained through this polarizer. The polarized light source is a circular structure with a coaxial center, and its characteristic is that the emitted light is a full spectrum color system and uniform. The first substrate is a high-transmittance substrate with a polarizer attached. The second substrate is a high-transmittance substrate with two semicircular polarizers attached, and the vibration directions of the two semicircular polarizers are perpendicular to each other. The third substrate is a high-transmittance substrate with one or more transparent films of the same or different patterns engraved by dichroic materials attached. The fourth substrate is a high-transmittance substrate with three groups of transparent films of dichroic materials of different thicknesses attached. The high-transparent substrates of the four substrates can be made of materials such as organic glass plates, glass plates, polyurethane plates, etc., and they all have circular holes in the center, which can be assembled and used with the central axis of the polarized light source and can be rotated at will. The polarized light source is used in conjunction with the first substrate, and the rotating substrate can demonstrate the Malus law of polarized light. The polarized light source is used in conjunction with the first substrate and the third substrate, and the third substrate is placed between the first substrate and the polarized light source. Rotating the two substrates can demonstrate the color polarization phenomenon of polarized light. The polarized light source is used in conjunction with the second substrate and the fourth substrate, and the fourth substrate is placed between the second substrate and the polarized light source. When the second substrate is fixed relative to the polarized light source, the vibration transmission direction of the semicircular polarizer on one side is parallel to the vibration transmission direction of the polarized light source, and the vibration transmission direction of the semicircular polarizer on the other side is perpendicular to the vibration transmission direction of the polarized light source. Rotating the fourth substrate can demonstrate the complementary color phenomenon of polarized light. The demonstration effect of this multifunctional polarized light demonstrator is very obvious (no darkroom environment is required, and it is easy to move.

[0044] Specifically, the utility model is mainly composed of an incandescent lamp or a xenon lamp 1, a cylindrical outer cover 2, one or more layers of circular light-dispersing plates 3, a circular polarizer 4, a substrate I5, a substrate II6, a concentric axis 7, a base 8, and a color ring 9 with a scale. One or more layers of circular light-dispersing plates 3 are installed in front of the cylindrical outer cover 2 of the incandescent lamp or the xenon lamp 1, the outer ring of the circular light-dispersing plate 3 is affixed with a color ring 9 with a scale, and the inner ring of the circular light-dispersing plate 3 is affixed with a circular polarizer 4. If the substrate I5 is a high-transmittance substrate with a polarizer attached thereon, only the substrate I5 is placed on the concentric axis 7, and the substrate I5 is rotated to demonstrate the Malus law of polarized light. If substrate Ⅰ5 is a high-transmittance substrate on which one or more transparent films of the same or different patterns carved from dichroic materials are attached, and substrate Ⅱ6 is a high-transmittance substrate on which a polarizing film is attached, substrate Ⅰ5 and substrate Ⅱ6 are placed on the concentric axis 7 at the same time, and the color polarization phenomenon of polarized light can be demonstrated by rotating substrate Ⅰ5 or substrate Ⅱ6. If substrate Ⅰ5 is a high-transmittance substrate on which three groups of transparent films of dichroic materials of different thicknesses are attached, and substrate Ⅱ6 is a high-transmittance substrate on which two semicircular polarizing films (the vibration directions of the two polarizing films are perpendicular to each other) are attached, substrate Ⅰ5 and substrate Ⅱ6 are placed on the concentric axis 7 at the same time, and the vibration transmission direction of the semicircular polarizing film on one side of substrate Ⅱ6 is parallel to the vibration transmission direction of the polarized light source, then the vibration transmission direction of the semicircular polarizing film on the other side is perpendicular to the vibration transmission direction of the polarized light source, and the complementary color phenomenon of polarized light can be demonstrated by rotating substrate Ⅰ5.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A multifunctional polarized light demonstrator, comprising a polarized light demonstrator and a base (8) arranged at the bottom of the polarized light demonstrator, characterized in that: The polarized light demonstrator is installed above a base (8), and the base (8) is a square plate structure or a circular plate structure; Wherein, when the base (8) is a square plate structure, four adjusting feet (18) are arranged at the four corners of the base (8); when the base (8) is a circular plate structure, four adjusting feet (18) are arranged at equal intervals around the edge of the base (8); The surface of the base (8) is provided with an arc-shaped spherical groove (16); A rotating ball (15) with a spherical structure is rotatably connected in the spherical groove (16); The top of the rotating ball (15) is provided with a clamping block (14) along the top edge of the rotating ball (15); The top end of the rotating ball (15) is rotatably connected to an adjusting nut (10), and the bottom end of the adjusting nut (10) is provided with a clamping groove (17) which is rotatably connected to a clamping block (14), and the clamping block (14) at the top end of the rotating ball (15) is rotatably connected to the clamping groove (17) at the bottom end of the adjusting nut (10); The adjusting nut (10) is a disc structure, and the outer circumferential surface of the adjusting nut (10) is provided with a plurality of raised cylinders; A through threaded hole (13) is formed in the middle of the adjusting nut (10); A through rotation groove (19) is formed at the top of the rotation ball (15), and the inner wall of the rotation groove (19) is a smooth surface; The threaded hole (13) in the middle of each adjusting nut (10) is rotatably connected to a threaded screw (20), and the threaded screw (20) passes through the rotation groove (19) and extends to the bottom of the base (8). A fixed base plate (11) is fixed to the bottom end of the threaded screw (20) extending from the bottom of the base (8), and a plurality of locking screws (12) are installed on the surface of the fixed base plate (11).

2. A multifunctional polarized light demonstrator according to claim 1, characterized in that: The polarized light demonstrator is mainly composed of an incandescent lamp or a xenon lamp (1), a cylindrical outer cover (2), one or more layers of circular light scattering plates (3), a circular polarizing film (4), a substrate I (5), a substrate II (6), a concentric axis (7), a base (8) and a color ring (9) with scales. One or more layers of circular light scattering plates (3) are installed in front of the cylindrical outer cover (2) of the incandescent lamp or the xenon lamp (1). The outer ring of the circular light scattering plate (3) is affixed with a color ring (9) with scales. The inner ring of the circular light scattering plate (3) is affixed with a circular polarizing film (4). The substrate I (5) is a high-transmittance substrate with a polarizing film affixed thereon. The substrate I (5) is placed on the concentric axis (7); or the substrate I (5) is a high-transmittance substrate with a One or more transparent films with the same or different patterns are carved from dichroic materials, substrate II (6) is a high-transmittance substrate on which a polarizing film is attached, and substrate I (5) and substrate II (6) are placed on a concentric axis (7) at the same time; or substrate I (5) is a high-transmittance substrate on which three groups of transparent films of dichroic materials with different thicknesses are attached, substrate II (6) is a high-transmittance substrate on which two semicircular polarizing films with mutually perpendicular vibration directions are attached, substrate I (5) and substrate II (6) are placed on a concentric axis (7) at the same time, and the vibration transmission direction of the semicircular polarizing film on one side of substrate II (6) is parallel to the vibration transmission direction of a polarized light source, and the vibration transmission direction of the semicircular polarizing film on the other side is perpendicular to the vibration transmission direction of the polarized light source.

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